Collapsible Tree Example

Collapsible Tree Example

This example shows a vertical d3.js tree diagram with a fixed set of hierarchical data, including a top-level node with two second-level branches and further descendants. While titled "collapsible," the provided code is a simplified version that renders the tree without any interactive update or collapse functionality. The visualization uses the D3 v3 `d3.layout.tree` for layout and `d3.svg.diagonal` for link paths, with nodes drawn as white circles and labels positioned above or below each node. All elements are rendered in SVG, and the data is hardcoded in the script.

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Collapsible Tree Example

This collapsible tree diagram displays hierarchical data from a CSV file, with nodes positioned by depth and connected by curved links. The visualization loads flat data from `treedata.csv` and converts it into a tree structure using a name-to-parent mapping. Rendered with SVG, it employs the `d3.layout.tree` and `d3.svg.diagonal` APIs from d3.v3 to compute node positions and draw paths. Each node appears as a white circle with a steelblue stroke, labeled with its name, while the layout normalizes node depths to 180 pixels per level.

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Collapsible Tree Example

This interactive visualization displays a collapsible tree diagram using d3.layout.tree, with nodes rendered as SVG symbols (circles, crosses, or diamonds) and links colored by a level property from the embedded JSON data. The code loads d3 v3 from a CDN and uses d3.svg.diagonal for curved edges, along with d3.svg.symbol to vary node shapes based on value thresholds. The tree includes hardcoded family hierarchy data, with fixed node depths and margin-based layout, though no collapse/expand behavior is implemented in the shown script.

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Collapsible Tree Example

This example shows a static tree diagram with a root node branching into two levels of child nodes, using text labels and circular markers connected by curved links. The visualization renders in SVG via D3.js version 3.5, using the `d3.layout.tree` for hierarchical positioning and `d3.svg.diagonal` for link paths. The code defines a fixed dataset inline and normalizes node depth for horizontal spacing, though it lacks the interactive collapse-and-expand behavior of the original Bostock example it derives from.

Collapsible Tree Example

This collapsible tree example shows a static, two-level hierarchy loaded from an external JSON file, with nodes rendered as white circles connected by gray curved links. The view is fixed and does not update or collapse. Built with the D3.js library (version 3.5.17), it uses `d3.layout.tree()` for layout, `d3.svg.diagonal()` for link paths, and `d3.json()` to fetch the data. The SVG output is generated by appending node circles and text labels, with styling defined in the embedded CSS.

Collapsible Tree Example

This example shows a static tree diagram generated from flat, parent-child data, with nodes and links rendered as SVG circles and paths. The code converts the flat data into a hierarchical tree structure using `d3.layout.tree` and draws it with `d3.svg.diagonal` for the curved links. It relies on the D3.js library (version 3.5.17) and uses standard SVG elements like `circle`, `text`, and `path` for visualization. The diagram is fixed-depth, with no interactive collapse or update behavior.

Collapsible Tree Example

This example shows a collapsible tree diagram with a horizontal orientation, displaying hierarchical data with parent and child nodes connected by curved links. The tree layout is computed using `d3.layout.tree`, and links are drawn as SVG paths using `d3.svg.diagonal` with a custom projection that swaps x and y coordinates to achieve the horizontal layout. Nodes are rendered as circles with text labels, and the code uses D3 version 3.5.17, loading the library from a CDN. The data is hardcoded as a JavaScript array with nested objects representing the tree structure.

Collapsible Tree Example

This example shows a static hierarchical tree diagram with nodes and links loaded from an external JSON file. The visualization uses the D3.js v3 library, specifically the `d3.layout.tree` for computing node positions and `d3.svg.diagonal` for drawing curved connecting paths between parent and child nodes. Nodes are rendered as SVG circles with text labels, and the layout is normalized to a fixed depth of 180 pixels per level. The data source is a JSON array containing a top-level node with two children, one of which has its own descendants, demonstrating basic tree structure rendering without interactivity.

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